Home / 289,747,431.60-434,621,147.40-174,672,740.40

Finding the Fourth Proportional to 289,747,431.60, 434,621,147.40 and 174,672,740.40

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Solution

The fourth proportional to 289,747,431.60, 434,621,147.40 and 174,672,740.40 is: 262,009,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,747,431.60 : 434,621,147.40 = 174,672,740.40 : x
  2. Step 2: Convert to fraction form
    289,747,431.60/434,621,147.40 = 174,672,740.40/x
  3. Step 3: Cross multiply
    289,747,431.60x = 434,621,147.40 × 174,672,740.40
  4. Step 4: Simplify right side
    289,747,431.60x = 75,916,466,852,150,336
  5. Step 5: Solve for x
    x = 75,916,466,852,150,336/289,747,431.60
  6. Step 6: Final answer
    x = 262,009,110.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.